Audio & Video
Beat the Calculator
Kjartan Poskitt proves what looks complicated can be simple.
- Beat the Calculator
- 1089
- Perfect pentagon
- Fabulous flexagon
- Making Cubes
- Prime number pizza
- Numerical masterclass
- Q&A with Kjartan Poskitt
- A question from Twitter
- Manjeet’s writing process
- Wizards of Once reading
- Steven Lenton's illustrations
- More Cookie Books
- Drawing Bugbops
- Prez
- The real world and the fictional world
- UK schools vs American schools
- Questions and Answers

















